If they play tennis but build up more strength and endurance then they may be able to hit the ball better and not miss it
Even in sports like golf, which aren't traditionally considered to be heavily dependent on strength and endurance, players can greatly improve their performance by increasing their muscular strength and endurance.
In the sport of golf, often not considered heavily dependent on muscular strength and endurance, an athlete's performance can certainly be enhanced if they focus on improving their level of muscular strength and endurance. Increased muscular strength can be used to add distance to your shots, especially during long drives. Endurance, on the other hand, can be crucial for maintaining quality of play over a long period. Golf is not only about asserting strength, but also about the repetition of accurate, precise shots. Thus, muscular endurance would prevent the golfer from tiring out after a series of swings, keeping the performance consistently high.
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Rajesh conducts an experiment to determine how quickly three different substances absorb heat. He measures the temperature of each substance over time. If he wants to quickly compare the heat absorption rates of the three substances, which data representation will probably be most useful to him?
Answer:
Graph
Explanation:
I already answered this question
Answer: graph
Explanation:
please hurry!!!!!!!.......
Answer:
B
Explanation:
D is nonsense. The current keeps coming through all lights.
A is wrong. The exact opposite happens. More bulbs more resistance.
C is wrong. More resistance less current, not more.
So your answer is B because the voltage drop in each decreases when there are more bulbs.
The answer is B! Hope this helped
HURRY!!!
The graph shows the population of gray fox in an area of the United States.
Which best describes the population size between 1990 and 2011?
mostly stable and unchanged
many increases and decreases but declined overall
slowly increased over time
several sharp declines but grew overall
many increases and decreases but declined overall
Answer:
According to the graph, the population size of gray fox in the United States from 1990 to 2011 had many increases and decreases but declined overall.
Explanation:
The gray fox is a species of carnivorous mammal of the Canidae family distributed by the American continent, from the south of Canada to Venezuela.
Gray foxes are occasional hunting targets, mainly for the use of their fur, but also for illicit pet trade purposes. Although gray foxes are hunted, it is not as common as in other types of foxes, since the degree of their coats is perceived as inferior in quality. Several thousand gray foxes are caught for fur acquisition each year, notes the Minnesota Department of Natural Resources.
Jin walked 4 km on a straight path to get to the sandwich shop. He traveled 30° south of east.
What is the southern component of Jin’s component, rounded to the nearest tenth?
Answer: -2 km
Explanation:
If we imagine Jin's movement to be the hypothenuse of a right triangle, then the southern component of Jin's movement corresponds to the side of the triangle opposite to the angle of 30 degrees. Therefore, the magnitude of this southern component is given by
However, the angle of 30 degrees is south of east: this means that the direction of this southern component is south, and since we generally take north as positive direction, we must add a negative sign, so the correct answer is
-2 km
Answer:
B
Explanation:
Edge 2021
Which particles give the nucleus its positive charge?
Answer: Protons give the nucleus a positive charge.
Explanation:
Protons - Gives of positive charge
Neutrons - Gives of neutral charge (No charge)
Electrons - Gives off negitive charge
The proton present in the nucleus gives the positive charge to the nucleus.
Explanation:
In the nucleus, there are two particles present, one is proton and the other one is neutron. Neutron is neutral in charge or say, it has no charge. Proton has the positive charge.
Therefore, among both the particle, proton gives the positive charge in the nucleus over the neutral charge of neutron. Thereby, nucleus acquires the positive charge from the proton. This positive charge is balanced by the negative charge of the electron, making atom on whole, neutral.
In a circuit with one 12.0 resistor, a current of 0.500 A is flowing. This circuit is powered by a single
battery. What is the voltage of the battery?
Answer:
6 V
Explanation:
In a circuit, the relationship between voltage, current and resistance is given by Ohm's law:
[tex]V=RI[/tex]
where
V is the voltage
R is the resistance
I is the current
In this circuit, we have
[tex]R=12.0\Omega[/tex] is the resistance
I = 0.500 A
so we can find the voltage of the battery by using Ohm's law:
[tex]V=(12.0 \Omega)(0.500 A)=6 V[/tex]
Which statements apply to transverse waves? Check all that apply.
The waves have a trough.
Particles move only small distances.
The waves have a crest.
The energy is transferred perpendicular to the direction of the wave motion.
Particles travel the length of the wave, moving in an up-and-down motion,
Correct Answers:
- The waves have a trough
- the waves have a crest
- the energy that is transferred move in a perpendicular direction
- particles move in an up and down motion
Answer:
A, c, d, e
Explanation:
how is energy can be changed from one state to another?
Answer:
Explanation:
Heat is probably the easiest energy you can use to change your physical state. The atoms in a liquid have more energy than the atoms in a solid. There is a special temperature for every substance called the melting point.They are changes in bonding energy between the molecules. If heat is coming into a substance during a phase change, then this energy is used to break the bonds between the molecules of the substance. EXAMPLE: Solid ice melting into liquid
the moon has a diameter of 2,159 miles. what does this distance equal in Kilometers?
A:3,454.4km
B:143,042.7km
C: 2,274.1km
D:12,761.5km
Answer: A
Explanation: It isn't the exact answers but its is the closest. The exact answer is 3474.6.
Final answer:
To convert the Moon's diameter from miles to kilometers, multiply 2,159 miles by the conversion factor of 1.60934 to get approximately 3,474.76 kilometers, rounding to 3,454.4 kilometers, which is option A.
Explanation:
To convert the diameter of the Moon from miles to kilometers, we use the conversion factor that 1 mile is approximately equal to 1.60934 kilometers. Therefore, if the Moon's diameter is 2,159 miles, we multiply this number by the conversion factor to find the equivalent distance in kilometers.
2,159 miles * 1.60934 km/mile = 3,474.76146 kilometers
The correct answer from the given options would be A: 3,454.4km, which is the approximate value when rounded to one decimal place.
What term is used to describe a system that looses energy to objects that are not part of the system
A. Raised
B. Low
C. Open
D. Closed
Answer: Open system
According to thermodynamics, if a system exchanges matter and energy with its environment it is an open system. For example, human beings and animals can be considered as open systems, since we take chemical energy in the form of food and perform work on our surrounding environment when moving and doing activities.
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Solutions with ions that react with acids or bases to lessen their effects are fubrefs
Answer:
Buffers
Explanation:
A buffer solution is a solution containing weak acids and their salts or weak bases and their salts.
A buffer solution is an equilibrium system that resists changes in pH or pOH when a small amount of an acid or base is added hence it is a solution of fairly constant pH value.
The relationship between charges,magnetic fields,and force
Answer:The magnetic force is a consequence of the electromagnetic force, one of the four ... fields we learned how moving charge surrounds itself with a magnetic field.
Explanation:
Magnetic fields are generated by moving electrical charges, creating a magnetic force on other moving electric charges or magnets. The magnitude of this force is determined by the charge, speed, and magnetic field's magnitude and also depends on the angle between the velocity and magnetic field vectors. Notably, there is no magnetic force on static charges.
Explanation:The relationship between charges, magnetic fields, and force can be understood through electromagnetic theory in physics. When electrical charges are in motion, they create magnetic fields. This phenomenon is observed as a magnetic force exerted on other moving charged objects or another magnet. The force that a moving electric charge experiences in a magnetic field is perpendicular to the direction of its velocity and the magnetic field.
The magnitude of this magnetic force is given by the product of the charge, the speed of its motion, and the magnitude of the magnetic field. It also depends on the angle between the velocity and magnetic field vectors. The direction of the force is governed by the right-hand rule, which states it will be perpendicular to both the direction of the moving charged particle and the direction of the applied magnetic field.
It's crucial to note that there is no magnetic force on static charges. Only when charges move, they produce magnetic fields that exert forces on other magnets. Hence, relative motion introduces a connection between electric and magnetic fields, where each can affect the other.
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Ethan is using a machine to mix cement. The work input is 10 and the work output is 8. What is the efficiency of the
machine?
Efficiency or [tex]\eta[/tex] is calculated by formula: [tex]\eta=\frac{W_{output}}{W_{input}}[/tex] where [tex]\eta\leq1[/tex] also efficiency has no unit.
Now put in the data and calculate the efficiency.
[tex]\eta=\frac{8}{10}=\boxed{0.8}[/tex]
The efficiency of the machine is 0.8
If you want to get percentage just multiply by 100 and you get 80%
Hope this helps.
r3t40
a body is dropped from a height of 240m. (i)How long does it take to reach the ground. (ii) What is the velocity with which it will strike the ground.
Answer:
7.0 s, 69 m/s
Explanation:
If we take down to be positive, then the time to reach the ground is:
x = x₀ + v₀ t + ½ at²
240 m = (0 m) + (0 m/s) t + ½ (9.8 m/s²) t²
t = 7.0 seconds
The final velocity is:
v² = v₀² + 2a(x - x₀)
v² = (0 m/s)² + 2(9.8 m/s²) (240 m - 0 m)
v = 69 m/s
What type of season does Daytona Beach, FL most likely have?
very cold winters
mild winters
very hot summers
no winters
i think its very hot summers
This question is very unscientific. It uses a lot of rubber words ... "very cold", "mild", and "very hot" ... words without definite meanings, that mean different things to different people, and may even mean different things to the same person at different times.
To me, any place in North America located south of the latitude of Chicago has a climate characterized by very hot, very humid, very oppressive, mercilessly long Summers, and weak, anemic, negligible, absurd excuses for Winters.
the slope of a speed time linear graph is
It give s you acceleration as slope of v-t graph gives acceleration
The slope of speed time linear graph is acceleration of an object.
Explanation:
By formula, the product of mass and acceleration of a body gives us the force of acting on it. In other terms, acceleration of a body can be defined as the ratio of change in velocity and change in time.
In a graph with speed or velocity on X axis and time on Y axis, the slope of the curve gives us acceleration as output.
In a Chemical reaction, the combined molar masses of the reactants is greater than the combined molar mass of the products . true or false
I believe the answer is true
In a chemical reaction, molar mass of reactants and products are equal. So the given statement is FALSE.
Explanation:
To form a new product, there occurs a reaction between the compounds and the elements then there will be no loss or gain in the mass.
This is the being stated in “Law of conversation of mass”. During a process of chemical change reactants, the total mass will be equal to product's total mass.
If your car runs out of gas and you must push it 250 m to the nearest gas station. How much work is done on the car if it is pushed with a constant force of 7 N.
Answer:
1750 Joules.
Explanation:
Work done = force * distance
= 7 * 250
= 1750 Joules.
The power in an electrical circuit is given by the equation P= RR, where /is
the current flowing through the circuit and Ris the resistance of the circuit.
What is the current in a circuit that has a resistance of 30 ohms and a power
of 2 watts?
A. 15 amps
B. 0.26 amps
C. 3.9 amps
D. 0.067 amps
Answer:
B
Explanation:
P = I² R
If P is 2 watts and R is 30 ohms:
2 = I² (30)
I = √(1/15)
I ≈ 0.26 A
Answer:
B. 0.26 amps is your answer
During a chemical reaction, increasing the temperature often
Answer: Increase Reaction Rates
Explanation: Increasing the temperature increases reaction rates because of the disproportionately large increase in the number of high energy collisions. It is only these collisions (possessing at least the activation energy for the reaction) which result in a reaction
Answer:
leads to an increase in the rate of reaction
Explanation:
An increase in the temperature of a reaction often leads to an increase in the reaction rate because, when the temperature is increased, the rate of collisions between the reactant particles increases (which in turn increases the number of effective collisions) causing more products to be formed.
Rate of reaction is the amount of product formed per unit time of a reaction.
NOTE: According to collision theory, reactant particles must collide before a chemical reaction can occur/proceed. However, not all collisions leads to a reaction, the collisions that leads to reaction occurring is referred to as effective collision.
Polar molecules have _____. A) an uneven distribution of charges around the molecule B) atoms that are the same element C) an even distribution of charges around the molecule D) ionic bonds
Answer: ionic bonds
Explanation:
Answer:
D) ionic bonds
Explanation:
Polar molecules are defined as the molecules in which we will have two poles or we can say that in these type of molecules the positive and negative center of the charge is separated by small distance.
this system of charge which is separated by small distance is known as dipoles or polar molecules.
Here we know that these two charged molecules will separate by small distance so here the force between these molecules are due to electrostatic force and hence they form a strong bond between the molecules.
This strong bond between charged molecules is known as Ionic Bonds
So here correct answer will be
(D) ionic Bond
HELP ASAP!!!!!! a piano tuner is tuning a string which should have a frequency of 440 hz. she knows the pitch is too high and she hears 4 beats per second. what is the frequency of the piano string?
Answer:
444 Hz
Explanation:
When two notes of slightly different frequency interfere with each other, they form a resultant wave whose frequency is called beat frequency, which is given by the difference between the frequencies of the two notes:
[tex]f_B = |f_1 - f_2|[/tex]
In this case, we have
[tex]f_1 = 440 Hz[/tex] is the frequency of the tuner
[tex]f_2[/tex] is the frequency of the string
[tex]f_B = 4 Hz[/tex] is the beat frequency (4 beats per second)
We also know that the frequency of the string is too high compared to the tuner, so
[tex]f_2 > f_1[/tex]
so we can find the frequency of the string:
[tex]f_2 = f_1 + f_B = 440 Hz + 4 Hz = 444 Hz[/tex]
Which components of the atom are found outside the nucleus?
1) protons
2) electrons
3) neutrons
4) all are found in the nucleus
^-^
The components that are found outside the nucleus is electrons
Answer: Electrons
Explanation:
Electrons are the negatively charged particles found outside an atom. Protons are positively charged (you can remember P for positive!) and neutrons have no charge or a neutral charge. Remember N for no charge or Neutral.
A student was trying to find the relationship between mass and force. He placed four different masses on a table and pulled them using a spring scale. The table shows the different masses used in the experiment and the force required to pull each mass. The student concluded that more force was required to pull heavier objects. What comment would you make regarding his conclusion? A) No clear relation can be observed between mass and force from the data. B) There is a direct proportion between the mass and force listed in the table. C) Gravity should have been taken into account while performing the experiment. D) There is an inverse proportion between the mass and force listed in the table.
Mass (kg) Force (N)
5 25
10 50
15 75
20 100
Answer:
B. There is a direct proportion between the mass and force listed in the table.
Explanation:
From the table, the values of force increases with increase in the value of mass.
if 5kg=25 N
Finding the contant of proportionality k;
k=25/5=5
thus M=k(F)...........where M is mass in kg and F is force in newton, then
M=5F
This show that for every value of mass, we get the value of Force if we multiply by a contant k=5
This means there is a direct proportionality relation between mass and force in the table.
Answer: Correct answer is B.
Hope this helps.
Step 8: Observe How Changes in the Speed of the Bottle Affect Beanbag Height
Calculate the average maximum height for all three trials when the speed of the bottle is 2 m/s, 3 m/s, 4 m/s, 5 m/s, and 6 m/s.
Record your calculations in Table B of your Student Guide.
When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.
When the speed of the bottle is 3 m/s, the average maximum height of the beanbag is m.
When the speed of the bottle is 4 m/s, the average maximum height of the beanbag is m.
When the speed of the bottle is 5 m/s, the average maximum height of the beanbag is m.
When the speed of the bottle is 6 m/s, the average maximum height of the beanbag is m.
Answer:
When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is 0.10 m.
When the speed of the bottle is 3 m/s, the average maximum height of the beanbag is 0.43 m.
When the speed of the bottle is 4 m/s, the average maximum height of the beanbag is 0.87 m.
When the speed of the bottle is 5 m/s, the average maximum height of the beanbag is 1.25 m.
When the speed of the bottle is 6 m/s, the average maximum height of the beanbag is 1.86 m.
Sorry for not answering early on! If anyone in the future needs help, I got these answers from 2020 egenuity, though I can't post the picture for proof. Stay Safe!
What is the scientific definition of energy? A. the ability to use the stored potential of an object B. the ability to use the change in temperature of an object C. the ability to use the change in direction of an object D. the ability to do work
D the ability to do work
Explanation:
Energy, in physics, the capacity for doing work. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms.
Help! ASAP
Which of the following is a circular wave?
Answer:
Graph B.
Explanation:
it is a wave, they are fun to watch
One can lessen the force that acts on an object
True or false
Answer:
True
Explanation:
It is possible to reduce/lessen the force that is acting on an object. For example, if you were pushing on a box and wanted to push less on the box, that would be possible.
This photo shows sugar dissolved into a solution with excess sugar at the bottom of the jar this type of solution is classified as?
A. Unsaturated
B. Compound
C.saturated
D.plasma
Answer:
C. Saturated
Explanation:
When the solution is supplied with excess sugar the excess crystals descend to the bottom of the solution creating an area of very high concentration thus the bottom becomes saturated since no more solute can be added to dissolve.
Why does Earth orbit the Sun rather than any other body in the solar system? A) The mutual repulsions among all the planets hold Earth in its orbit. B) The Earth is closer to the Sun than other bodies in the solar system. C) The Sun is the most massive object; gravitational attraction is related to mass. Eliminate D) The rotational motions of all the planets, including Earth, cause them to remain in its orbit around the Sun.
Answer:
C
Explanation:
cause im smart
Answer: C
Explanation:
Not only am I smart but I want to help people.